Tests using a specified redis socket instead of default host / port, and fixes #68
Merge branch 'iss68' of github.com:pintsized/ledge into travis
Change test process to spawn redis processes manually
 - Remove service start for redis in .travis.yml
 - Start redis-server with custom config in Makefile

Signed-off-by: Ben Agricola <bagricola@squiz.co.uk>